code: def testRegisterDispatchableType(self):
      @dispatch.register_dispatchable_type
      class A(object):
          pass
  
      checker = dispatch.MakeInstanceChecker(A)
      self.assertEqual(checker.Check(A()), MATCH_DISPATCHABLE)
  
imports: import collections
  import numpy
  from tensorflow.python.framework import _pywrap_python_api_dispatcher
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 5 for calling the PythonTypeCheckerTest obj's underlying member method code with example usage: obj.testRegisterDispatchableType() without return types